Sinopse
Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of science. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American . To view all of our archived podcasts please go to www.scientificamerican.com/podcast
Episódios
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Species Split When Mountains Rise
13/04/2017 Duração: 01minPlant species in China's Hengduan Mountains exploded in diversity eight million years ago—right when the mountains were built. Christopher Intagliata reports.
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Shoelace Study Untangles a Knotty Problem
12/04/2017 Duração: 03minResearchers have trotted out data that show a combination of whipping and stomping forces is what causes laces to unravel without warning. Karen Hopkin reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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World Parkinson's Day Puts Spotlight on Condition
11/04/2017 Duração: 02minMichael J. Fox Foundation for Parkinson's Research CEO Todd Sherer, a neuroscientist, talks about the state of Parkinson's disease and research.
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Cave Dwellers Battled Bed Bug Bites, Too
06/04/2017 Duração: 01minResearchers have found the earliest evidence of bugs in the Cimex genus co-habitating with humans, in Oregon's Paisley Caves. Christopher Intagliata reports.
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Extreme Storms Are Extreme Eroders
05/04/2017 Duração: 02minThe storm that swept across the Rockies in September 2013 unleashed huge amounts of sediment downstream, doing the work of a century of erosion. Julia Rosen reports.
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Spiders Gobble Gargantuan Numbers of Tiny Prey
03/04/2017 Duração: 02minThe low-end estimate for how much the world's spiders eat is some 400 million tons of mostly insects and springtails.
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Your Cat Thinks You're Cool
29/03/2017 Duração: 02minA study of house cats and shelter cats found that the felines actually tended to choose human company over treats or toys.
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Exoplanets Make Life Conversation Livelier
25/03/2017 Duração: 02minAstronomer Caleb Scharf weighs what ever more exoplanets mean in the search for extraterrestrial life.
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Bring Bronx Zoo to Your Living Room
24/03/2017 Duração: 02minAnimal Planet's series The Zoo shows viewers the biological, veterinary and conservation science at a modern zoo. Learn more about your ad choices. Visit megaphone.fm/adchoices
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UV Rays Strip Small Galaxies of Star Stuff
22/03/2017 Duração: 02minResearchers measured the intensity of the universe's ultraviolet background radiation, and say it may be strong enough to strip small galaxies of star-forming gas. Christopher Intagliata reports.
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Aggressed-Upon Monkeys Take Revenge on Aggressor's Cronies
21/03/2017 Duração: 02minJapanese macaques at the receiving end of aggression tend to then take it out on a close associate or family member of the original aggressor.
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Chaotic Orbits Could Cause Catastrophic Collision
20/03/2017 Duração: 03minResearchers used ancient climate cycles to confirm the solar system’s chaotic planetary orbits. An Earth–Mars collision is one distant outcome. Julia Rosen reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Pulling the String on Yo-Yo Weight Gain
18/03/2017 Duração: 02minMice that lost weight and then gained back more than they lost maintained an obesity-type microbiome that affected biochemicals involved in either burning or adding fat--suggesting interventions.
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Poverty Shaves Years off Life
17/03/2017 Duração: 03minA meta-analysis found that being of low socioeconomic status was associated with almost as many years of lost life as was a sedentary lifestyle. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Pollinators Shape Plants to Their Preference
16/03/2017 Duração: 01minIn fewer than a dozen generations bumblebee-pollinated plants were coaxed to develop traits that made them even more pleasing to the bees. Christopher Intagliata reports.
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Low Biodiversity Brings Earlier Bloom
15/03/2017 Duração: 01minFor every two species lost in a grassland, the remaining flowers there bloomed a day earlier—on par with changes due to rising global temperatures. Christopher Intagliata reports.
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Early-Life Microbes Ward Off Asthma
14/03/2017 Duração: 03minExposure to specific microbes when an infant is less than a year old seems to have a protective effect against the child's eventual acquisition of asthma. Learn more about your ad choices. Visit megaphone.fm/adchoices
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(Probably Not a) Giant Alien Antenna
12/03/2017 Duração: 03minAstrophysicists propose that mysterious "fast radio bursts" could, in very speculative theory, be produced by an antenna twice the size of Earth. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Jupiter Moon to Be Searched for Life
10/03/2017 Duração: 02minIf anything's alive on the ice-covered ocean world of Europa, a future NASA mission hopes to find it.
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Teeth Hint at a Friendlier Neandertal
08/03/2017 Duração: 02minBy sequencing DNA in Neandertal dental plaque, scientists were able to find out about their diets—and their good relations with modern humans. Christopher Intagliata reports.